Compare / head-to-head
NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4vsNVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads 6 of 6 shared benchmarks. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 6
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100%
NVIDIA
NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4
NVIDIA · released 2026-08-11
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- Context
- 1M
- Max out
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- Input /1M
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- Output /1M
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- Cached /1M
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- Scores
- 7 · 5 core
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
NVIDIA · released 2026-06-04
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- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 4 core
Quality
Benchmark matrix
6 shared · 1 only NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 · 0 only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4| Benchmark | NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| SWE-bench Verified | 52.8% ↗ | 69.7% ↗ | -16.9 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| GPQA Diamond | 75.57% ↗ | 87.9% ↗ | -12.3 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| Humanity's Last Exam (no tools) | 10.47% ↗ | 26.1% ↗ | -15.6 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| LMArena Elo | 1330.7 ↗ | 1444.7 ↗ | -114 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| BrowseComp | 36.81% ↗ | 41.4% ↗ | -4.6 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| Terminal-Bench 2.1 | 23.46% ↗ | 53.9% ↗ | -30.4 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| Only NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 reports · 1 | ||||
| MMLU-Pro | 81.62% ↗ | not reported | — | — |
| Only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports · 0 | ||||
| NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports nothing NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 does not. | ||||
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 minus NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | — | — | — |
| Input price / 1M | — | — | — |
| Output price / 1M | — | — | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | — | — |
| Modalities | text | text | Tie |
| Released | 2026-08-11 | 2026-06-04 | — |
| Cited benchmark scores | 7 | 6 | — |
Reliability
NVIDIA status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 vs …
Models sharing the most benchmarksMore matchups
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run NVIDIA Nemotron 3.5 Lightning 30B-A3B NVFP4 and NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.